1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pochemuha
2 years ago
8

Solve the simultaneous equation 4x-y=9 2x-3y= -23

Mathematics
1 answer:
MrMuchimi2 years ago
4 0

Answer:

x = 5

y = 11

Step-by-step explanation:

y = 4x - 9

2x -3(4x - 9) = -23

2x - 12x + 27 = -23

-10x = -23 -27

-10x = -50

minus cancels out

x = 5

y = 4(5) -9

y = 20 - 9

y = 11

You might be interested in
What is the perimeter of the truss in feet?
Zanzabum

I think the truss is just one of those triangles whose sides are 3ft, 3ft, 3ft so its perimeter is


Answer: 9 feet



5 0
3 years ago
jet skis rent for $25 per hour plus a flat fee of $50. Noel has $200 to spend. what is the maximum value in the domain of this s
Nady [450]

Answer:

$150

Step-by-step explanation:

25x4=100

100+50=150

so she has $50 to spend on other things

i dont know if this is what its asking or how

6 0
3 years ago
The weight of strawberries follows a normal distribution with a mean weight of 12 grams and a standard deviation of 2.5 grams. I
Svetlanka [38]

Answer:

.2119 is the answer

Step-by-step explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
Evaluate the expression below.
o-na [289]

Answer:

<h2>A. 1</h2>

Step-by-step explanation:

Use:

|a| = a for a ≥ 0 or |a| = -a for a < 0

PEMDAS:

P Parentheses first

E Exponents

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

========================================

|8 - 7| · 4 + 3(-1)

= |1| · 4 - 3

= 1 · 4 - 3

= 4 - 3

= 1

6 0
2 years ago
Read 2 more answers
This figure is 1/4 of a circle. What is the best approximation for the perimeter of the figure? Use 3.14 to approximate pi.    
olga_2 [115]
The answer is 7.9 for real
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the coefficient of -10n+10-10
    12·1 answer
  • A bag holds 6 tiles: 2 lettered and 4 numbered. Without looking, you choose a tile. What is the probability of drawing a number?
    9·2 answers
  • six years ago,brett bought 1,525 worth of cell phone company since then the value of the stock has decreased at an average rate
    5·1 answer
  • The formula for the volume of a cube is V = s3.
    7·2 answers
  • In a math class of 32 students, 18 boys and 14 are girls. On a unit test, 5 boys and 7 girls made an A grade. A student is chose
    13·1 answer
  • In a circle with a radius of 8 ft, an arc is intercepted by a central angle of 3π4 radians.
    15·2 answers
  • How to solve the length of a side of a figure?
    6·2 answers
  • -7 2/3 +(5 1/2) + 8 3/4 =
    15·1 answer
  • Latrell has $8 to spend on postcards. He wants to buy one large postcard and some small ones. Write an inequality to determine h
    15·1 answer
  • IA man buys buys 62 litres of petrol dailly
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!